/*
 * Copyright (C) 2023 ARM Limited or its affiliates. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#include "retarget_stdout.h"
#include "RTE_Components.h"
#include CMSIS_device_header
 
int stdout_putchar (int ch)
{
  while(usart_flag_get(USART1, USART_TDBE_FLAG) == RESET);
  usart_data_transmit(USART1, (uint16_t)ch);
  while(usart_flag_get(USART1, USART_TDC_FLAG) == RESET);
  return (ch);
}